<!DOCTYPE html>
<html>
<head>
    <title></title>
    <meta charset="utf-8">
</head>
<body>
<div class="ttt">
</div>
</body>
<script type="text/javascript" src="jquery-2.1.4.min.js"></script>
<script type="text/javascript" src="royui.min.js"></script>
<script type="text/javascript">
    let r = new royui()
    r.timequantum('.ttt')
</script>
</html>